Test CreatePeerConnectionFactory() with a forwarding mock AudioDecoderFactory

webrtc/pc/test/peerconnectiontestwrapper.cc

 /*
  *  Copyright 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 41 matching lines @@
     rtc::Thread* network_thread,
     rtc::Thread* worker_thread)
     : name_(name),
       network_thread_(network_thread),
       worker_thread_(worker_thread) {}
 
 PeerConnectionTestWrapper::~PeerConnectionTestWrapper() {}
 
 bool PeerConnectionTestWrapper::CreatePc(
     const MediaConstraintsInterface* constraints,
-    const webrtc::PeerConnectionInterface::RTCConfiguration& config) {
+    const webrtc::PeerConnectionInterface::RTCConfiguration& config,
+    rtc::scoped_refptr<webrtc::AudioEncoderFactory> audio_encoder_factory,
+    rtc::scoped_refptr<webrtc::AudioDecoderFactory> audio_decoder_factory) {
   std::unique_ptr<cricket::PortAllocator> port_allocator(
       new cricket::FakePortAllocator(network_thread_, nullptr));
 
   fake_audio_capture_module_ = FakeAudioCaptureModule::Create();
   if (fake_audio_capture_module_ == NULL) {
     return false;
   }
 
   peer_connection_factory_ = webrtc::CreatePeerConnectionFactory(
       network_thread_, worker_thread_, rtc::Thread::Current(),
-      fake_audio_capture_module_, NULL, NULL);
+      fake_audio_capture_module_, audio_encoder_factory, audio_decoder_factory,
+      nullptr, nullptr);
   if (!peer_connection_factory_) {
     return false;
   }
 
   std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator(
       new FakeRTCCertificateGenerator());
   peer_connection_ = peer_connection_factory_->CreatePeerConnection(
       config, constraints, std::move(port_allocator), std::move(cert_generator),
       this);
 
@@ skipping 189 matching lines @@
                 new webrtc::FakePeriodicVideoCapturer()),
             &constraints);
     std::string videotrack_label = label + kVideoTrackLabelBase;
     rtc::scoped_refptr<webrtc::VideoTrackInterface> video_track(
         peer_connection_factory_->CreateVideoTrack(videotrack_label, source));
 
     stream->AddTrack(video_track);
   }
   return stream;
 }